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Code cleanup: remove accidental self-assigns in mbr.c that have no effect #1197

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merged 2 commits into from
Apr 15, 2024

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@micahsnyder micahsnyder requested a review from ragusaa March 6, 2024 02:22
@micahsnyder micahsnyder merged commit 075e1a4 into Cisco-Talos:main Apr 15, 2024
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@micahsnyder micahsnyder deleted the mbr-accidental-self-assigns branch April 15, 2024 14:22
mtremer pushed a commit to ipfire/ipfire-2.x that referenced this pull request Jan 9, 2025
- Update from version 1.3.2 to 1.4.1
- Update of rootfile
- Changelog
    1.4.1
	ClamAV 1.4.1 is a critical patch release with the following fixes:
	- [CVE-2024-20506](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-20506):
	  Changed the logging module to disable following symlinks on Linux and Unix
	  systems so as to prevent an attacker with existing access to the 'clamd' or
	  'freshclam' services from using a symlink to corrupt system files.
	  This issue affects all currently supported versions. It will be fixed in:
	  - 1.4.1
	  - 1.3.2
	  - 1.0.7
	  - 0.103.12
	  Thank you to Detlef for identifying this issue.
	- [CVE-2024-20505](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-20505):
	  Fixed a possible out-of-bounds read bug in the PDF file parser that could
	  cause a denial-of-service (DoS) condition.
	  This issue affects all currently supported versions. It will be fixed in:
	  - 1.4.1
	  - 1.3.2
	  - 1.0.7
	  - 0.103.12
	  Thank you to OSS-Fuzz for identifying this issue.
	- Removed unused Python modules from freshclam tests including deprecated
	  'cgi' module that is expected to cause test failures in Python 3.13.
    1.4.0
      Major changes
	- Added support for extracting ALZ archives.
	  The new ClamAV file type for ALZ archives is `CL_TYPE_ALZ`.
	  Added a [DCONF](https://docs.clamav.net/manual/Signatures/DynamicConfig.html)
	  option to enable or disable ALZ archive support.
	  > _Tip_: DCONF (Dynamic CONFiguration) is a feature that allows for some
	  > configuration changes to be made via ClamAV `.cfg` "signatures".
	  - [GitHub pull request](Cisco-Talos/clamav#1183)
	- Added support for extracting LHA/LZH archives.
	  The new ClamAV file type for LHA/LZH archives is `CL_TYPE_LHA_LZH`.
	  Added a [DCONF](https://docs.clamav.net/manual/Signatures/DynamicConfig.html)
	  option to enable or disable LHA/LZH archive support.
	  - [GitHub pull request](Cisco-Talos/clamav#1192)
	- Added the ability to disable image fuzzy hashing, if needed. For context,
	  image fuzzy hashing is a detection mechanism useful for identifying malware
	  by matching images included with the malware or phishing email/document.
	  New ClamScan options:
	  ```
	  --scan-image[=yes(*)/no]
	  --scan-image-fuzzy-hash[=yes(*)/no]
	  ```
	  New ClamD config options:
	  ```
	  ScanImage yes(*)/no
	  ScanImageFuzzyHash yes(*)/no
	  ```
	  New libclamav scan options:
	  ```c
	  options.parse &= ~CL_SCAN_PARSE_IMAGE;
	  options.parse &= ~CL_SCAN_PARSE_IMAGE_FUZZY_HASH;
	  ```
	  Added a [DCONF](https://docs.clamav.net/manual/Signatures/DynamicConfig.html)
	  option to enable or disable image fuzzy hashing support.
	  - [GitHub pull request](Cisco-Talos/clamav#1186)
      Other improvements
	- Added cross-compiling instructions for targeting ARM64/aarch64 processors for
	  [Windows](https://github.com/Cisco-Talos/clamav/blob/main/INSTALL-cross-windows-arm64.md)
	  and
	  [Linux](https://github.com/Cisco-Talos/clamav/blob/main/INSTALL-cross-linux-arm64.md).
	  - [GitHub pull request](Cisco-Talos/clamav#1116)
	- Improved the Freshclam warning messages when being blocked or rate limited
	  so as to include the Cloudflare Ray ID, which helps with issue triage.
	  - [GitHub pull request](Cisco-Talos/clamav#1195)
	- Removed unnecessary memory allocation checks when the size to be allocated
	  is fixed or comes from a trusted source.
	  We also renamed internal memory allocation functions and macros, so it is
	  more obvious what each function does.
	  - [GitHub pull request](Cisco-Talos/clamav#1137)
	- Improved the Freshclam documentation to make it clear that the `--datadir`
	  option must be an absolute path to a directory that already exists, is
	  writable by Freshclam, and is readable by ClamScan and ClamD.
	  - [GitHub pull request](Cisco-Talos/clamav#1199)
	- Added an optimization to avoid calculating the file hash if the clean file
	  cache has been disabled. The file hash may still be calculated as needed to
	  perform hash-based signature matching if any hash-based signatures exist that
	  target a file of the same size, or if any hash-based signatures exist that
	  target "any" file size.
	  - [GitHub pull request](Cisco-Talos/clamav#1167)
	- Added an improvement to the SystemD service file for ClamOnAcc so that the
	  service will shut down faster on some systems.
	  - [GitHub pull request](Cisco-Talos/clamav#1164)
	- Added a CMake build dependency on the version map files so that the build
	  will re-run if changes are made to the version map files.
	  Work courtesy of Sebastian Andrzej Siewior.
	  - [GitHub pull request](Cisco-Talos/clamav#1294)
	- Added an improvement to the CMake build so that the RUSTFLAGS settings
	  are inherited from the environment.
	  Work courtesy of liushuyu.
	  - [GitHub pull request](Cisco-Talos/clamav#1301)
      Bug fixes
	- Silenced confusing warning message when scanning some HTML files.
	  - [GitHub pull request](Cisco-Talos/clamav#1252)
	- Fixed minor compiler warnings.
	  - [GitHub pull request](Cisco-Talos/clamav#1197)
	- Since the build system changed from Autotools to CMake, ClamAV no longer
	  supports building with configurations where bzip2, libxml2, libz, libjson-c,
	  or libpcre2 are not available. Libpcre is no longer supported in favor of
	  libpcre2. In this release, we removed all the dead code associated with those
	  unsupported build configurations.
	  - [GitHub pull request](Cisco-Talos/clamav#1217)
	- Fixed assorted typos. Patch courtesy of RainRat.
	  - [GitHub pull request](Cisco-Talos/clamav#1228)
	- Added missing documentation for the ClamScan `--force-to-disk` option.
	  - [GitHub pull request](Cisco-Talos/clamav#1186)
	- Fixed an issue where ClamAV unit tests would prefer an older
	  libclamunrar_iface library from the install path, if present, rather than
	  the recently compiled library in the build path.
	  - [GitHub pull request](Cisco-Talos/clamav#1258)
	- Fixed a build issue on Windows with newer versions of Rust.
	  Also upgraded GitHub Actions imports to fix CI failures.
	  Fixes courtesy of liushuyu.
	  - [GitHub pull request](Cisco-Talos/clamav#1307)
	- Fixed an unaligned pointer dereference issue on select architectures.
	  Fix courtesy of Sebastian Andrzej Siewior.
	  - [GitHub pull request](Cisco-Talos/clamav#1293)
	- Fixed a bug that prevented loading plaintext (non-CVD) signature files
	  when using the `--fail-if-cvd-older-than=DAYS` / `FailIfCvdOlderThan` option.
	  Fix courtesy of Bark.
	  - [GitHub pull request](Cisco-Talos/clamav#1309)

Signed-off-by: Adolf Belka <[email protected]>
Signed-off-by: Arne Fitzenreiter <[email protected]>
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